The WSJ’s editorial writers often present some interesting thoughts, but today in this piece attacking California’s carbon mitigation AB32 efforts they republished a false “fact”. It is true that a consultant estimated that California households will be paying an extra $3,800 a year in new regulatory costs. But, this estimate is severely flawed and overstates the likely true costs. Here is my cross-post sketching the issues and linking to my critique of that consultant’s report.